diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_sdio.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_sdio.c | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_sdio.c b/drivers/net/wireless/wl12xx/wl1271_sdio.c deleted file mode 100644 index 784ef3432641..000000000000 --- a/drivers/net/wireless/wl12xx/wl1271_sdio.c +++ /dev/null @@ -1,347 +0,0 @@ -/* - * This file is part of wl1271 - * - * Copyright (C) 2009-2010 Nokia Corporation - * - * Contact: Luciano Coelho <luciano.coelho@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/irq.h> -#include <linux/module.h> -#include <linux/crc7.h> -#include <linux/vmalloc.h> -#include <linux/mmc/sdio_func.h> -#include <linux/mmc/sdio_ids.h> -#include <linux/mmc/card.h> -#include <linux/gpio.h> -#include <linux/wl12xx.h> -#include <linux/pm_runtime.h> - -#include "wl1271.h" -#include "wl12xx_80211.h" -#include "wl1271_io.h" - -#ifndef SDIO_VENDOR_ID_TI -#define SDIO_VENDOR_ID_TI 0x0097 -#endif - -#ifndef SDIO_DEVICE_ID_TI_WL1271 -#define SDIO_DEVICE_ID_TI_WL1271 0x4076 -#endif - -static const struct sdio_device_id wl1271_devices[] = { - { SDIO_DEVICE(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271) }, - {} -}; -MODULE_DEVICE_TABLE(sdio, wl1271_devices); - -static inline struct sdio_func *wl_to_func(struct wl1271 *wl) -{ - return wl->if_priv; -} - -static struct device *wl1271_sdio_wl_to_dev(struct wl1271 *wl) -{ - return &(wl_to_func(wl)->dev); -} - -static irqreturn_t wl1271_irq(int irq, void *cookie) -{ - struct wl1271 *wl = cookie; - unsigned long flags; - - wl1271_debug(DEBUG_IRQ, "IRQ"); - - /* complete the ELP completion */ - spin_lock_irqsave(&wl->wl_lock, flags); - if (wl->elp_compl) { - complete(wl->elp_compl); - wl->elp_compl = NULL; - } - - if (!test_and_set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags)) - ieee80211_queue_work(wl->hw, &wl->irq_work); - set_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags); - spin_unlock_irqrestore(&wl->wl_lock, flags); - - return IRQ_HANDLED; -} - -static void wl1271_sdio_disable_interrupts(struct wl1271 *wl) -{ - disable_irq(wl->irq); -} - -static void wl1271_sdio_enable_interrupts(struct wl1271 *wl) -{ - enable_irq(wl->irq); -} - -static void wl1271_sdio_reset(struct wl1271 *wl) -{ -} - -static void wl1271_sdio_init(struct wl1271 *wl) -{ -} - -static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed) -{ - int ret; - struct sdio_func *func = wl_to_func(wl); - - sdio_claim_host(func); - - if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) { - ((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret); - wl1271_debug(DEBUG_SDIO, "sdio read 52 addr 0x%x, byte 0x%02x", - addr, ((u8 *)buf)[0]); - } else { - if (fixed) - ret = sdio_readsb(func, buf, addr, len); - else - ret = sdio_memcpy_fromio(func, buf, addr, len); - - wl1271_debug(DEBUG_SDIO, "sdio read 53 addr 0x%x, %zu bytes", - addr, len); - wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len); - } - - sdio_release_host(func); - - if (ret) - wl1271_error("sdio read failed (%d)", ret); -} - -static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed) -{ - int ret; - struct sdio_func *func = wl_to_func(wl); - - sdio_claim_host(func); - - if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) { - sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret); - wl1271_debug(DEBUG_SDIO, "sdio write 52 addr 0x%x, byte 0x%02x", - addr, ((u8 *)buf)[0]); - } else { - wl1271_debug(DEBUG_SDIO, "sdio write 53 addr 0x%x, %zu bytes", - addr, len); - wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len); - - if (fixed) - ret = sdio_writesb(func, addr, buf, len); - else - ret = sdio_memcpy_toio(func, addr, buf, len); - } - - sdio_release_host(func); - - if (ret) - wl1271_error("sdio write failed (%d)", ret); -} - -static int wl1271_sdio_power_on(struct wl1271 *wl) -{ - struct sdio_func *func = wl_to_func(wl); - int ret; - - /* Power up the card */ - ret = pm_runtime_get_sync(&func->dev); - if (ret < 0) - goto out; - - sdio_claim_host(func); - sdio_enable_func(func); - sdio_release_host(func); - -out: - return ret; -} - -static int wl1271_sdio_power_off(struct wl1271 *wl) -{ - struct sdio_func *func = wl_to_func(wl); - - sdio_claim_host(func); - sdio_disable_func(func); - sdio_release_host(func); - - /* Power down the card */ - return pm_runtime_put_sync(&func->dev); -} - -static int wl1271_sdio_set_power(struct wl1271 *wl, bool enable) -{ - if (enable) - return wl1271_sdio_power_on(wl); - else - return wl1271_sdio_power_off(wl); -} - -static struct wl1271_if_operations sdio_ops = { - .read = wl1271_sdio_raw_read, - .write = wl1271_sdio_raw_write, - .reset = wl1271_sdio_reset, - .init = wl1271_sdio_init, - .power = wl1271_sdio_set_power, - .dev = wl1271_sdio_wl_to_dev, - .enable_irq = wl1271_sdio_enable_interrupts, - .disable_irq = wl1271_sdio_disable_interrupts -}; - -static int __devinit wl1271_probe(struct sdio_func *func, - const struct sdio_device_id *id) -{ - struct ieee80211_hw *hw; - const struct wl12xx_platform_data *wlan_data; - struct wl1271 *wl; - int ret; - - /* We are only able to handle the wlan function */ - if (func->num != 0x02) - return -ENODEV; - - hw = wl1271_alloc_hw(); - if (IS_ERR(hw)) - return PTR_ERR(hw); - - wl = hw->priv; - - wl->if_priv = func; - wl->if_ops = &sdio_ops; - - /* Grab access to FN0 for ELP reg. */ - func->card->quirks |= MMC_QUIRK_LENIENT_FN0; - - wlan_data = wl12xx_get_platform_data(); - if (IS_ERR(wlan_data)) { - ret = PTR_ERR(wlan_data); - wl1271_error("missing wlan platform data: %d", ret); - goto out_free; - } - - wl->irq = wlan_data->irq; - wl->ref_clock = wlan_data->board_ref_clock; - - ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl); - if (ret < 0) { - wl1271_error("request_irq() failed: %d", ret); - goto out_free; - } - - set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); - - disable_irq(wl->irq); - - ret = wl1271_init_ieee80211(wl); - if (ret) - goto out_irq; - - ret = wl1271_register_hw(wl); - if (ret) - goto out_irq; - - sdio_set_drvdata(func, wl); - - /* Tell PM core that we don't need the card to be powered now */ - pm_runtime_put_noidle(&func->dev); - - wl1271_notice("initialized"); - - return 0; - - out_irq: - free_irq(wl->irq, wl); - - - out_free: - wl1271_free_hw(wl); - - return ret; -} - -static void __devexit wl1271_remove(struct sdio_func *func) -{ - struct wl1271 *wl = sdio_get_drvdata(func); - - /* Undo decrement done above in wl1271_probe */ - pm_runtime_get_noresume(&func->dev); - - wl1271_unregister_hw(wl); - free_irq(wl->irq, wl); - wl1271_free_hw(wl); -} - -static int wl1271_suspend(struct device *dev) -{ - /* Tell MMC/SDIO core it's OK to power down the card - * (if it isn't already), but not to remove it completely */ - return 0; -} - -static int wl1271_resume(struct device *dev) -{ - return 0; -} - -static const struct dev_pm_ops wl1271_sdio_pm_ops = { - .suspend = wl1271_suspend, - .resume = wl1271_resume, -}; - -static struct sdio_driver wl1271_sdio_driver = { - .name = "wl1271_sdio", - .id_table = wl1271_devices, - .probe = wl1271_probe, - .remove = __devexit_p(wl1271_remove), - .drv = { - .pm = &wl1271_sdio_pm_ops, - }, -}; - -static int __init wl1271_init(void) -{ - int ret; - - ret = sdio_register_driver(&wl1271_sdio_driver); - if (ret < 0) { - wl1271_error("failed to register sdio driver: %d", ret); - goto out; - } - -out: - return ret; -} - -static void __exit wl1271_exit(void) -{ - sdio_unregister_driver(&wl1271_sdio_driver); - - wl1271_notice("unloaded"); -} - -module_init(wl1271_init); -module_exit(wl1271_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); -MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); -MODULE_FIRMWARE(WL1271_FW_NAME); |